I have the following function, that I want to test: def people(id: Int): RIO[R, People] This function returns People if there is one for that id, resp. fails if not, like: IO.fail(ServiceExcept...

I have 2 deflate functions written in C# and Scala, when running with the same input, the returned byte array has a difference in leading bytes and trailing bytes (the difference between the bytes ...

I know that I can use import zio.Task def zip3Par[A, B, C](a: Task[A], b: Task[B], c: Task[C]): Task[(A, B, C)] = a.zipPar(b).zipWithPar(c) { case ((a, b), c) => (a, b, c) } def zip4Par[A, B...

Does scala.js work with scala ZIO? I'm looking to use scala ZIO with scala.js I only know how to use scala ZIO in normal apps does anyone know how to use it with scala.js?

I'm using Doobie in a ZIO application, and sometimes I get deadlocks (total freeze of the application). That can happen if I run my app on only one core, or if I reach the number of maximum paralle...

ZIO (https://zio.dev/) is a scala framework which has at its core the ZIO[R, E, A] datastructure and its site gives the following information for the three parameters: ZIO The ZIO[R, E, A] data ty...

zio-streams provides throttleShape which /** * Delays the chunks of this stream according to the given bandwidth parameters using the token bucket * algorithm. Allows for burst in the processing...

I want to run two integration tests sequentially. How can this be achieved in ZIO Test? Here is the Suite: suite("Undeploy a Package")( testM("There is a Package") { PackageDeployer.deploy(pckg...

I have a couple of Booleans I want to test, like assert(g8Exists, equalTo(true)) && assert(projectExists, equalTo(true)) && assert(testenvExists, equalTo(true)) ... If one fails,...

I have the following ZIO program with two processes that both run forever: for { .. numberProvider <- numberProvider(queue).fork // runs forever numberService <- numberService(queue) // ...

I want to use the combinator orElse on ZIO Fibers. From docs: If the first fiber succeeds, the composed fiber will succeed with its result; otherwise, the composed fiber will complete with the ex...

I'm somewhat new to Scala and ZIO and have run into something of an odd puzzle. I would like to setup a ZIO Environment containing a ZIO Queue and later have different ZIO Tasks offer and take fro...

Just for the sake of quick clarity for someone who wants to start working with Scala FP library, on a journey to become better at pure FP. Would someone clarify the difference/relation between Ca...

Not so long time ago I switched from akka-http to http4s. One of the basic things which I wanted to do correctly — JSON handling, in particular sending a JSON response. I decided to use http4s wit...

I came across this article on medium: https://medium.com/@odomontois/tagless-unions-in-scala-2-12-55ab0100c2ff. There is a piece of code that I have a hard time understanding. The full source code ...

(Hopefully) simple question on Scalaz Zio. I have some old code that I refactored to Zio. I want one path of that code to keep behaving exactly as it was: synchronous blocking on the current t...